Their life cycle helps man provide himself with a basic food—fish.
鱼类的生命周期使其成为一种人类的基本食物。
Energy is an essential resource across the entire food production cycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food.
在整个食品生产周期中，能量是一种必不可少的资源，据估计，生产一卡路里的食品平均需要7-10卡路里的投入。
Two factors appear to be generating the cycle: food plants and predators.
产生这种循环的因素有两个：食用植物和食肉动物。
These tiny things form the base of the food chain and play an important role in the global carbon cycle.
这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。
If any of them really worked as promised, the cycle would have ended years ago and the health food stores would be a lot smaller.
如果其中任何一种产品真像厂家承诺的那样有效，那么这个循环在多年前就该结束了，健康食品商店也会比现在小得多。
Sheila Sisulu from the World Food Program says the project aims to break a cycle that keeps people hungry.
世界粮食计划署的希拉·西苏鲁称该项目旨在打破导致农民一直饥饿的循环。
From our research it is clear to see how this situation may have created a cycle of sweet food and drink consumption.
从我们的研究中可以清楚的看出，这种情况是如何让人们对甜味食品和饮料的消耗进入一个恶性循环的。
Not only do life cycle analyses offer genuine opportunities for environmentally efficient food production, but they also address several problems inherent in the eat-local philosophy.
不仅仅因为完整生命周期分析更真实地反映食物生产的环保效率，而且它指出了几个吃在本地哲学的内在问题。
When eating in accordance to our body's natural digestive cycle, we are able to more efficiently absorb and process nutrients, and fully eliminate food debris and toxins.
当我们所吃的符合身体的自然消化循环时，我们能够更加有效率地吸收和处理营养物，以及完全排除食物残骸和毒物。
The calories your body burns in fueling the digestive cycle are minuscule compared with the calories in the food itself.
身体因消化循环而耗费的能量与食物本身所含的相比，是微乎其微的。
Child obesity and hormone-laden chemicals that have got into the food or water cycle have been blamed for this.
儿童肥胖以及已经进入了食物和水循环系统的含有激素的化学物质是造成这一现象的原因。
The most important safety valve as far as food supply is concerned is the short production cycle.
就粮食供应来说最重要的安全阀是短生产周期。
The ocean's planktons form the bottom of both the food chain and the bulk of the carbon-oxygen cycle for our planet.
海洋的浮游生物即构成了食物链底端，又是我们地球碳-氧循环的交换场。
They include disruption to the Marine food web and effects on the world's carbon cycle.
它们包括对海洋食物链破坏和对全球碳循环的影响。
Avoid using overindulging in food, alcohol, drugs, shopping, or exercise to cover up your feelings as this can lead to a very destructive vicious cycle.
回避沉溺于食物、酒精、购物或锻炼来掩盖你的感受，因为这可能导致一个非常具有破坏力的恶性循环。
Academic “life-cycle analyses” go into painstaking detail, factoring in the emissions associated with building factories in which food is produced, for example.
学术“生活周期分析”对此进行了详细的研究分析，极其艰苦地花费了大量的精力时间，比如说分析研究了生产食品的制造工厂与二氧化碳排放量之间的联系。
We do think that exercise and food, caffeine, may be able to modulate in some way, so has some influence on circadian timing, but not as strongly as the light-dark cycle.
我们认为锻炼、食物、咖啡因能起到一些调节作用，这些会对昼夜节律有一些影响，但没有昼夜循环的影响强烈？
Competition among the species is a continuing cycle in the animal food chain.
在动物的食物链上，不同种群之间的竞争是一个永不停息的循环。
The length of the cigarette beetle life cycle is highly dependent on temperature and the food source but usually takes 40 to 90 days.
香烟甲虫的生命周期长度在很大程度上取决于温度和食物来源，通常为40到90天。
The reproductive cycle of marine bivalves is closely related to cycles of nutrient storage and use and to environmental factors such as water temperature and food availability.
海洋贝类的繁殖周期与营养物质储存、利用和环境因子（如海水温度、食物可得性、盐度等）密切相关。
Resource depletion helps stall the profit cycle and prevent growth in the personal, provincial and national economies, as well as in food production (Figure 2).
养分耗竭使利润循环停滞，阻碍个人、省份和国家经济以及粮食生产的增长(图2)。
Sheila Sisulu from the World Food Program says the project aims to break a cycle that keeps people hungry.
来自世界食品计划的SheilaSisulu说，这一计划的主要目的是打破持续使人陷于饥饿的循环。
That way, you can rinse them so food will be easier to wash off later, but still wait until you have a full load to run the cleaning cycle.
这样，他们就可以以清水洗净，容易使食物会过后来但等到你已满载办好清洗周期。
Energy is the currency of the ecological system, life becomes possible which food is converted into energy, on this cycle all life depends.
能量是生态系统货币，只有当食物被转换成能量，生命才变得可能，所有的生命依赖这一自然循环系统。
Energy is the currency of the ecological system, life becomes possible which food is converted into energy, on this cycle all life depends.
能量是生态系统货币，只有当食物被转换成能量，生命才变得可能，所有的生命依赖这一自然循环系统。
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